Example.

        private void Init()
        {
            manager = new ButtonManager();
            manager.Register(new MyButton(bChartSettings, ViewTypes.Chart, PropertyType.IsVisible));
            manager.Register(new MyButton(bLanguage, ViewTypes.Detail | ViewTypes.Grid, PropertyType.IsVisible));
            manager.Register(new MyButton(bTransform, ViewTypes.Chart, PropertyType.IsEnabled));
            manager.Register(new MyButton(bExport, ViewTypes.Detail, PropertyType.IsEnabled));
        }